package com.tan.config;import org.springframework.context.annotation.Configuration;import org.springframework.web.servlet.config.annotation.CorsRegistry;import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;/** * 跨域解决方案 * @author NieChangan */@Configurationpublic class CrosConfig implements WebMvcConfigurer {    /**     * Configure cross origin requests processing.     *     * @since 4.2     */    @Override    public void addCorsMappings(CorsRegistry registry) {        registry.addMapping("/**")                // 设置允许跨域请求的域名                .allowedOrigins("*")                // 是否允许证书（cookies）                .allowCredentials(true)                // 设置允许的方法                .allowedMethods("GET","POST","PUT","DELETE","OPTIONS","HEAD")                // 跨域允许时间                .maxAge(3600)                .allowedHeaders("*");    }}